No need for transaction messages. Operation confirmed. Used for about a year. The reading accuracy is quite high. Only the main unit is included, so please check the official website for the manual. We will ship on the same day as much as possible for payments received by 11:00 AM. * Shipping is closed on Mondays. ▶︎Please check the condition in the photos. ▶︎Returns are not accepted to prevent replacement. ▶︎We are also listing on other sites, so please purchase early if you are interested. ▶︎When selling in bulk, a discount of up to 100 yen per item is possible. Please understand that we will cancel the sale if the discount exceeds this amount. * By purchasing, you agree to the above. Instant purchase is available.